- All sections
- B - Performing operations; transporting
- B64D - Equipment for fitting in or to aircraft; flight suits; parachutes; arrangements or mounting of power plants or propulsion transmissions in aircraft
- B64D 35/04 - Transmitting power from power plant to propellers or rotors; Arrangements of transmissions characterised by the transmission driving a plurality of propellers or rotors
Patent holdings for IPC class B64D 35/04
Total number of patents in this class: 210
10-year publication summary
|
14
|
12
|
17
|
30
|
17
|
34
|
31
|
22
|
35
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Textron Innovations Inc. | 2138 |
31 |
| Safran Aircraft Engines | 5739 |
21 |
| Pratt & Whitney Canada Corp. | 4215 |
12 |
| Rtx Corporation | 8674 |
12 |
| Bell Helicopter Textron Inc. | 1122 |
10 |
| MagLev Aero Inc. | 13 |
7 |
| The Boeing Company | 19843 |
5 |
| Airbus Helicopters | 984 |
5 |
| Safran Helicopter Engines | 676 |
5 |
| ACC Innovation AB | 5 |
5 |
| Sikorsky Aircraft Corporation | 1150 |
4 |
| Beta Air, LLC | 539 |
4 |
| Leonardo S.p.A. | 605 |
3 |
| Rolls-Royce Corporation | 1686 |
3 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
3 |
| XTI Aircraft Company | 4 |
3 |
| Taiwan Flying Vehicle Co., Ltd. | 6 |
3 |
| Rolls-Royce PLC | 2944 |
2 |
| Kawasaki Heavy Industries, Limited | 1524 |
2 |
| Embraer S.A. | 369 |
2 |
| Other owners | 68 |